the national mean annual salary for a school administrator is $90,000 a year (the Cincinnati Enquirer, april 7, 2012). a school official took a sample of 25 school administratorsin the state of ohio to learn about salaries in that state to see if they differed from thenational average.a. formulate hypotheses that can be used to determine whether the population meanannual administrator salary in ohio differs from the national mean of $90,000.b. the sample data for 25 ohio administrators is contained in the file named administrator. what is the p-value for your hypothesis test in part (a)?c. at a = .05, can your null hypothesis be rejected? what is your conclusion?
the national mean annual salary for a school administrator is $90,000 a year (the Cincinnati Enquirer, april 7, 2012). a school official took a sample of 25 school administrators
in the state of ohio to learn about salaries in that state to see if they differed from the
national average.
a. formulate hypotheses that can be used to determine whether the population mean
annual administrator salary in ohio differs from the national mean of $90,000.
b. the sample data for 25 ohio administrators is contained in the file named administrator. what is the p-value for your hypothesis test in part (a)?
c. at a = .05, can your null hypothesis be rejected? what is your conclusion?
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